Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.
Learn how to connect industrial 4 to 20 milliamp current sensors to ESP32 microcontrollers safely using signal conditioning circuits, precision resistors, and operational amplifiers.
Learn how to integrate the industrial PZEM-004T current sensor with an ESP32 microcontroller to monitor residential electrical consumption in real time.
Learn how to keep ESP32 IoT devices connected in industrial environments using watchdog routines, smart reconnection, and efficient TLS encryption.
Learn how to organize terminal blocks, size wire ducts, and separate power and control circuits in electrical panels following industrial standards.
Learn how to build robust decision flows in Node-RED while maintaining total autonomy and independence from cloud services.
Learn how to collect hardware thermal sensor metrics using sysfs and native Python libraries to prevent overheating failures.
Learn how to build local and secure IoT nodes using ESPHome and Home Assistant to control high-power loads without cloud dependency.
Learn the engineering step-by-step to calculate real battery backup autonomy in industrial UPS systems, accounting for cable voltage drop.
Learn how to build an autonomous home network using MQTT and ESPHome to keep your smart home running even during internet outages.
Learn best practices for heat sink sizing, surge protection, and galvanic isolation when using solid-state relays for inductive loads in automation.
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